Paper-damping machine.



Patented De'c. l8, I900. H. MANEGOLD.

PAPER DAMPI'NG MACHINE; (Application filed Mar. 17, 1899.)

(No Model.)

%, @M mm Mm UNITED STATES PATENT FFICE.

HENRY MANEGOLD, OF MILWAUKEE, WISCONSIN, ASSIGNOR TO THE MIL- WAUKEEPAPER DAMPENING MACHINE COMPANY, OF SAME PLACE.

PAPER-DAM PING MACHINE.

SPEOIFIGATION forming part of Letters Patent No. 664,055, dated December18, 1900.

A li ti fil d March 17,1899. Serial No. 709,495. (No model.)

To all whom it may concern:

Be it known that I, HENRY MANEGOLD, a citizen of the United States,residing at Milwaukee, in the county of Milwaukee and State ofWisconsin, have invented certain new and useful Improvements inPaper-Damping Machines, of which the following is a specification,reference being had to the accompanying drawings, forming a partthereof.

My invention relates to machines for moistening paper preparatory toprinting thereon, particularly by lithographic processes.

It consists, essentially, in devices for automatically peeling andseparating the moistened paper from the pressing-rollers of apaper-damping machine and delivering the same from the machine in asmooth unwrinkled oondition, as hereinafter particularly described, andpointed out in the claims.

In the accompanying drawings, illustrating a paper-damping machine towhich my invention is applied, like letters designate the same parts inthe several figures.

Figure 1 is a vertical longitudinal section of the machine. Fig. 2 is aplan view,'certain parts being broken away and shown in horizontalsection; and Figs. 3 and at are detail views, on an enlarged scale, ofparts of the devices for separating the wet paper from the lowerpressing-roller.

In machines of this class great difficulty has been experienced inseparating the wet paper from the surfaces of the pressing-rollers'orconveying-belt without tearing or wrinkling the same and delivering itin a smooth unwrinkled condition from the machines. This has been thecase particularly with fragile or thin paper, which has a greatertendency to stick to the surface of the pressing-rollers and is moreeasily torn and wrinkled. It is the purpose of myinvention to overcomethis difficnlty.

Referring to Figs. 1 and 2 of the drawings, A dnsignates the frame of apaper-damping machine, provided at one end with a leaf or table 13 forholding the paper to be moistened and at the other end with a shelf 0,upon which the -moistened paper is deposited as it passes from thepressing-rollers.

D is a tank for holding water carried by the frame A next to and belowthe inner edge of the leaf B.

E is a conveyor, preferably consisting of cords or bands and rollersarranged to receive the sheets of paper from the leaf or table B andcarry them through the water in the tank D, so as to evenly wet bothsides of the paper.

F is an endless belt or apron supported horizontally upon rollers G andH in position to receive thereon the wet paper as it is delivered fromthe conveyer E.

I is a roller supported above and parallel with the roller H byvertically-yielding bearlngs.

The rollers H and I serve to press the wet paper carried between themupon the belt F and to remove the surplus water therefrom. The belt F ispreferably made to run at a little faster speed than the conveyer E, sothat as the wet paper is delivered thereto itwill be slightly stretchedlengthwise, thereby preventing puckering and wrinkling.

I make no claim to the machine which is thus briefly described for thepurpose of explaining the nature, purpose, and operation of myinvention.

To separate the wet paper from the belt F and roller I, to which ittends to cling, without wrinkling or tearing, and to deposit the same asit is delivered from the machine in a smooth condition and in an evenpile upon the shelf 0, the machineis provided with takeoff and deliverydevices,hereinafter described and constituting, in combination with thepressing-rollers or water-expelling devices of the damping-machine, myinvention.

J and K are rods or shafts supported at the ends by the frame A,parallel with and on the delivery side of the pressing-rollers H and I.

L L are grooved pulleys or sheaves mounted at intervals and adapted toturn freely upon the'rod J, and M M are similar pulleys or sheavesmounted in like manner at suitable intervals on the rod K.

N N are cords or bands passing on the out- .side of the belt F aroundthe roller G, over the roller H, between it and the roller 1, and overthe sheaves L, which serve as guides to carry said cords away from theroller H on the delivery side thereof. 0 O are like or similar cords orhands passing around the upper roller Iand the sheaves M, which serve asguides to carry said cords O away from said roller I on the deliveryside thereof.

P represents arms or supports adjustably mounted upon the rod J andextending therefrom toward the roller H, close to which they terminateat their inner ends. The several arms P, between which the pulleys L arelocated, are connected at their inner ends in pairs by short rods q,upon which grooved pulleys or sheaves Q, are revolubly mounted in linewith the pulleys L, as shown in detail in Figs. 3 and 4. The upper edgesof these arms are preferably beveled to present sharp or narrow hearingsto the under side of the paper, slightly below and parallel with thecords N between the pulleys L and Q. The hubs or sleeves at the outerends of said arms through which the rod J. passes are split andprovided, as shown in Fig. 3, with clamping-screws p, by means of whichthey are adj ustably fastened upon said rod. The upper edges of saidarms are curved downwardly at their ends, as shown in Fig. 3, to preventcatching and tearing the paper. The arms are so adjusted that thepulleys Q at their inner ends will support the cords N near the pointswhere they leave the upper side of the roller H, and thus prevent thewet paper, which tends to stick to and follow the belt F, fromdeflecting the cords downward and stretching them. The upper edges ofthe arms P prevent the paper from sagging between the pulleys L and Qand between the cords N and assist the cords in guiding the paper in asmooth unwrinkled condition upon the shelf 0.

For the purpose of more clearly illustrating the arrangement of partsand the operation of the machine the thickness of the paper which isshown as passing through the machine is greatly exaggerated, thusvisibly separating the upper and lower cords of the con- Veyer E andalso the pressing-rollers H and I. The upper cords and the pulleys M, bywhich they are carried away from the roller I on its delivery side,prevent the wet paper from sticking to and wrapping around said roller;but as this is not apt to occur these cords and pulleys may be dispensedwith. I prefer, however, to use them as a safeguard against the possiblecontingency of the paper sticking to the upper pressing-roller. Undercertain conditions, particularly when thick heavy paper is to bedampened, the belt or apron F may be dispensed with and thepressing-rollers H and I arranged to receive the wet paper directly fromthe conveyer E. In this case the lower take-off cords N are passeddirectly around the lower pressing-roller H; but their operation inseparating the wet paper therefrom is the same as in separating it fromsaid belt, as hereiubefore explained.

I claim- 1. In a paper-damping machine the combination withpressing-rollers and means for passing the dampened paper between them,of cords or hands passing over the lower roller, guides arranged tocarry said cords away from said roller on the delivery side thereof, andarms extending from said guides approximately parallel with said cordsor belts to points near the surface of said roller where the paperleaves the same, substantially as and for the purposes set forth.

2. In a paper-damping machine the combination with pressing-rollers andmeans for passing the dampened paper between them, of cords or handspassing over the lower roller, guides arranged to carry said cords orbands away from said roller on the delivery side thereof, andvertically-adjustable arms extending from said guides to points close tothe surface of said roller where the paper leaves the same,substantially as and for the purposes set forth.

3. In a paper-damping machine the combination with pressing-rollers andan endless belt passing over the lower roller for carrying the dampenedpaper between said rollers, of cords or hands passing over said beltbetween said rollers, guides arranged to carry said cords or hands awayfrom said belt at the delivery end thereof, and arms extending from saidguides to points close to the surface of said belt where the paperleaves the same, substantially as and for the purposes set forth.

4. In a paper-damping machine the combination with pressing-rollers forexpelling surplus water from the paper, and means for passing the wetpaper between said rollers, of cords passing over the lower roller, arod or shaft arranged parallel with and on the delivery side of saidrollers and below the top of the lower roller, sheaves mounted upon saidrod or shaft and guiding said cords away from the lower roller on itsdelivery side, arms mounted upon said rod or shaft and extendingtherefrom toward the lower roller, and sheaves carried by said arms andsupporting said cords near the points where they leave the lower roller,substantially as and for the purposes set forth.

5. In a paper-damping machine the combination with a pair ofpressing-rollers arranged one above the other for expelling surpluswater from wet paper, and means for passing the paper between saidrollers, of two sets of endless cords passing between said rollers,guides arranged parallel with said rollers on the delivery side thereofand carrying said cords away from them, and arms extending from thelower guides parallel with the cords passing over them to points closeto the surface of the lower pressing-roller where said cords leave it,substantially as and for the purposes set forth.

In witness whereof I hereto aifix my signature in presence of twowitnesses.

HENRY MANEGOLD.

Witnesses:

CHAS. L. Goss, M. L. EMERY.

